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National Stock Number:
5306-00-276-8191
Federal Supply Class:
5306
National Item Identification Number:
002768191
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| AM34-1 | 35301 | DRESSER INDUSTRIES INC LEROI DIV | | M34-1 | 35301 | DRESSER INDUSTRIES INC LEROI DIV |
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Techincal Specification:
| ASKEWED HEAD ANGLE | 15.0 DEGREES NOMINAL | | COUNTERSINK ANGLE | 30.0 DEGREES NOMINAL | | FASTENER LENGTH | 3.719 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 1.781 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | HEXAGON COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,FS4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SPECIAL FEATURES | FURNISHED W/ONE HEX NUT | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 16 | | WIDTH BETWEEN FLATS | 1.250 INCHES NOMINAL |
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